4bf5a79cac4a87fb66e1d15c24c255cb79e444bffcea4c60021394c77cd42e48

General

Target
KeychronAssist-1.1.2.exe
Size 4.2MB
Sample260720-spw2pses9q
SHA256 4bf5a79cac4a87fb66e1d15c24c255cb79e444bffcea4c60021394c77cd42e48
MD5 064c8e5dd749c9226227b5ec9c03ff02
SHA1 aecc1e207203c7f56250e85e9e410dc1f1d4f4a5
SHA512 6187ab25a6e99d52c17eb01f3d0bb7bc276679a851db296d3715dedddb2491288c998a503610d16f9f67b6fde2ad54c2ea19d0b8d21b75ded01b8ba2c58d04e0
SSDEEP 98304:WwWNhJ/absnBYywYsaoFatCezxMNYVg8UmKhfzNlQlZogi3:WwWjdYySaj/usg8Z6zNWJm
TLSH
T1992633627798CB13F06D1334CC73744A31B6BDDA269CDF413E0AB56A99B15B0ABCD980
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 7 IoCs

pid	Process
3812	KeychronAssist-1.1.2.exe
3812	KeychronAssist-1.1.2.exe
3812	KeychronAssist-1.1.2.exe
3812	KeychronAssist-1.1.2.exe
3812	KeychronAssist-1.1.2.exe
3812	KeychronAssist-1.1.2.exe
3812	KeychronAssist-1.1.2.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Keychron-Assistant\keychron-assist.exe	KeychronAssist-1.1.2.exe
File created	C:\Program Files\Keychron-Assistant\uninstall.exe	KeychronAssist-1.1.2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KeychronAssist-1.1.2.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist	KeychronAssist-1.1.2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist\shell	KeychronAssist-1.1.2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist\shell\open\command	KeychronAssist-1.1.2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\launcherassist	KeychronAssist-1.1.2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist\shell\open	KeychronAssist-1.1.2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist\shell\open\command\ = "\"C:\\Program Files\\Keychron-Assistant\\keychron-assist.exe\" \"%1\""	KeychronAssist-1.1.2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist\URL Protocol	KeychronAssist-1.1.2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist\ = "URL:com.keychron.assist protocol"	KeychronAssist-1.1.2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\launcherassist\DefaultIcon	KeychronAssist-1.1.2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\launcherassist\DefaultIcon\ = "\"C:\\Program Files\\Keychron-Assistant\\keychron-assist.exe\",0"	KeychronAssist-1.1.2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\launcherassist\shell\open\command	KeychronAssist-1.1.2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3812	KeychronAssist-1.1.2.exe
3812	KeychronAssist-1.1.2.exe

C:\Users\Admin\AppData\Local\Temp\KeychronAssist-1.1.2.exe
"C:\Users\Admin\AppData\Local\Temp\KeychronAssist-1.1.2.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3812

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

LangDLL.dll

Path C:\Users\Admin\AppData\Local\Temp\nsi2642.tmp\LangDLL.dll
Size 5KB
SHA256 4cf25411f28f639f72156c24b0f66ea42f5aee5973f6c137d901da6ae42d5b7e
MD5 4b8a750993567ac9a350ba9768fabfa0
SHA1 7ee7a8c313b292d62561b085c9d490c0f8065624
SHA512 c2a06e352815a2f5340e8244cf2c5a4a5cd7e7848ea67e454ab207262cb33130008491e83d053c778bea97720f7387de737bf15355db3cd5477b94f3571107bb
SSDEEP 48:S46+/TTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8mkGofjLl:zxuPbO5tCZBVEAWyMEFv2CmqL
TLSH
T171C1A370B3D248B9D591413778AB33D36612AE746784500FDB6311AA3820AE7AD3EBC2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsi2642.tmp\System.dll
Size 12KB
SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
TLSH
T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nsi2642.tmp\nsDialogs.dll
Size 9KB
SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 8f0e7415f33843431df308bb8e06af81
SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
TLSH
T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nsis_tauri_utils.dll

Path C:\Users\Admin\AppData\Local\Temp\nsi2642.tmp\nsis_tauri_utils.dll
Size 33KB
SHA256 3697d11bdbe1e34daa26b1e89d84276d9ff28148906943d0fe888354c3b13620
MD5 acde70f73d3b71b1c4222b763537780d
SHA1 b053b2e5fdb97257954c8f935d80964f056520ae
SHA512 598fc58a5f561e7995eccccb065faf2a2386bce0cfc4199fa95ba9fb74e9fcb291914676996c90728dd283223c2180de9fe073a4c936e60fbabe036d7e0a40de
SSDEEP 768:L8+c2MM0Hxd1fBTsRmMZdauVKAFKpnp0jdhK7R+qVQTxM:L8+DMfHPxAIMtXIVQTx
TLSH
T144F24A18FCC47EB6E6DF0570080D4A7E826FC8181B14CE9BD3A51EA2D5A63729EE501F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads